320672520

素因数分解:

$2^3\times 3^6\times 5^1\times 7^1\times {\mathrm{1571}}^1$

素因数の和:1607

約数の個数: 224

約数和(自身を含む): 1237101120

約数和(自身を除く): 916428600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 243, 252, 270, 280, 315, 324, 360, 378, 405, 420, 486, 504, 540, 567, 630, 648, 729, 756, 810, 840, 945, 972, 1080, 1134, 1215, 1260, 1458, 1512, 1571, 1620, 1701, 1890, 1944, 2268, 2430, 2520, 2835, 2916, 3142, 3240, 3402, 3645, 3780, 4536, 4713, 4860, 5103, 5670, 5832, 6284, 6804, 7290, 7560, 7855, 8505, 9426, 9720, 10206, 10997, 11340, 12568, 13608, 14139, 14580, 15710, 17010, 18852, 20412, 21994, 22680, 23565, 25515, 28278, 29160, 31420, 32991, 34020, 37704, 40824, 42417, 43988, 47130, 51030, 54985, 56556, 62840, 65982, 68040, 70695, 84834, 87976, 94260, 98973, 102060, 109970, 113112, 127251, 131964, 141390, 164955, 169668, 188520, 197946, 204120, 212085, 219940, 254502, 263928, 282780, 296919, 329910, 339336, 381753, 395892, 424170, 439880, 494865, 509004, 565560, 593838, 636255, 659820, 763506, 791784, 848340, 890757, 989730, 1018008, 1145259, 1187676, 1272510, 1319640, 1484595, 1527012, 1696680, 1781514, 1908765, 1979460, 2290518, 2375352, 2545020, 2672271, 2969190, 3054024, 3563028, 3817530, 3958920, 4453785, 4581036, 5090040, 5344542, 5726295, 5938380, 7126056, 7635060, 8016813, 8907570, 9162072, 10689084, 11452590, 11876760, 13361355, 15270120, 16033626, 17815140, 21378168, 22905180, 26722710, 32067252, 35630280, 40084065, 45810360, 53445420, 64134504, 80168130, 106890840, 160336260, 320672520]

約数ペア:

[(1, 320672520), (2, 160336260), (3, 106890840), (4, 80168130), (5, 64134504), (6, 53445420), (7, 45810360), (8, 40084065), (9, 35630280), (10, 32067252), (12, 26722710), (14, 22905180), (15, 21378168), (18, 17815140), (20, 16033626), (21, 15270120), (24, 13361355), (27, 11876760), (28, 11452590), (30, 10689084), (35, 9162072), (36, 8907570), (40, 8016813), (42, 7635060), (45, 7126056), (54, 5938380), (56, 5726295), (60, 5344542), (63, 5090040), (70, 4581036), (72, 4453785), (81, 3958920), (84, 3817530), (90, 3563028), (105, 3054024), (108, 2969190), (120, 2672271), (126, 2545020), (135, 2375352), (140, 2290518), (162, 1979460), (168, 1908765), (180, 1781514), (189, 1696680), (210, 1527012), (216, 1484595), (243, 1319640), (252, 1272510), (270, 1187676), (280, 1145259), (315, 1018008), (324, 989730), (360, 890757), (378, 848340), (405, 791784), (420, 763506), (486, 659820), (504, 636255), (540, 593838), (567, 565560), (630, 509004), (648, 494865), (729, 439880), (756, 424170), (810, 395892), (840, 381753), (945, 339336), (972, 329910), (1080, 296919), (1134, 282780), (1215, 263928), (1260, 254502), (1458, 219940), (1512, 212085), (1571, 204120), (1620, 197946), (1701, 188520), (1890, 169668), (1944, 164955), (2268, 141390), (2430, 131964), (2520, 127251), (2835, 113112), (2916, 109970), (3142, 102060), (3240, 98973), (3402, 94260), (3645, 87976), (3780, 84834), (4536, 70695), (4713, 68040), (4860, 65982), (5103, 62840), (5670, 56556), (5832, 54985), (6284, 51030), (6804, 47130), (7290, 43988), (7560, 42417), (7855, 40824), (8505, 37704), (9426, 34020), (9720, 32991), (10206, 31420), (10997, 29160), (11340, 28278), (12568, 25515), (13608, 23565), (14139, 22680), (14580, 21994), (15710, 20412), (17010, 18852)]